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Cheap flights from Seattle to Ireland from €217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ireland departing on 23/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:50 - 11:30
SEA
-
SNN
32h 40m1 stop
British Airways Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€345British Airways
ن, 2 فبراير - ث, 17 فبراير
British Airways Logo
18:50 - 19:25
SEA
-
SNN
16h 35m1 stop
British Airways Logo
20:05 - 18:20
SNN
-
SEA
54h 15m2 stops
€348British Airways
ن, 23 فبراير - ن, 2 مارس
British Airways Logo
08:04 - 11:30
SEA
-
SNN
19h 26m2 stops
British Airways Logo
07:50 - 16:55
SNN
-
SEA
17h 05m1 stop
€349British Airways
ن, 2 فبراير - ث, 17 فبراير
British Airways Logo
06:44 - 11:30
SEA
-
SNN
20h 46m2 stops
British Airways Logo
17:30 - 18:20
SNN
-
SEA
56h 50m2 stops
€350British Airways
ن, 23 فبراير - ن, 2 مارس
British Airways Logo
18:50 - 16:45
SEA
-
SNN
13h 55m1 stop
British Airways Logo
17:30 - 19:29
SNN
-
SEA
33h 59m2 stops
€352British Airways
ن, 2 فبراير - ر, 11 فبراير
British Airways Logo
14:10 - 16:45
SEA
-
SNN
18h 35m2 stops
British Airways Logo
07:50 - 23:04
SNN
-
SEA
23h 14m2 stops
€357British Airways
ن, 2 فبراير - ث, 17 فبراير
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
€383Icelandair
ث, 27 يناير - ن, 2 فبراير
Icelandair Logo
14:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
11:30 - 17:00
DUB
-
SEA
13h 30m1 stop
€384Icelandair
ث, 24 فبراير - ث, 3 مارس
Icelandair Logo
15:35 - 10:15
SEA
-
DUB
11h 40m1 stop
Icelandair Logo
14:15 - 20:40
DUB
-
SEA
14h 25m1 stop
€387Icelandair
ث, 17 مارس - ث, 14 أبريل
Multiple Airlines Logo
05:40 - 08:15
SEA
-
DUB
18h 35m2 stops
Multiple Airlines Logo
09:20 - 18:30
DUB
-
SEA
17h 10m2 stops
€398Multiple Airlines
ن, 11 مايو - ث, 26 مايو

Icelandair flights from Seattle to Ireland

Our best Icelandair deals on Seattle to Ireland flight tickets
Icelandair
27 Jan
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
2 Feb
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€383
Icelandair
24 Feb
SEA14:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
3 Mar
DUB11:30Dublin
13h 30m
1 stop
SEA17:00Seattle/Tacoma Intl
€384
Icelandair
17 Mar
SEA15:35Seattle/Tacoma Intl
11h 40m
1 stop
DUB10:15Dublin
14 Apr
DUB14:15Dublin
14h 25m
1 stop
SEA20:40Seattle/Tacoma Intl
€387

Delta flights from Seattle to Ireland

Our best Delta deals on Seattle to Ireland flight tickets
Delta
21 Jan
SEA14:10Seattle/Tacoma Intl
17h 35m
1 stop
DUB15:45Dublin
30 Jan
DUB05:55Dublin
13h 55m
1 stop
SEA11:50Seattle/Tacoma Intl
€423
Delta
4 Mar
SEA05:30Seattle/Tacoma Intl
19h 50m
2 stops
DUB09:20Dublin
10 Mar
DUB08:50Dublin
34h 45m
1 stop
SEA12:35Seattle/Tacoma Intl
€426
Delta
15 Mar
SEA16:00Seattle/Tacoma Intl
33h 05m
1 stop
DUB08:05Dublin
1 Apr
DUB13:25Dublin
30h 20m
1 stop
SEA11:45Seattle/Tacoma Intl
€430

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 11 يناير 2026.
Use the filters below to find and compare flights from Seattle to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

ن 2/2

18:50-11:30

1 stop32h 40m

Shannon

ث 17/2

07:50-16:55

1 stop17h 05m

€345

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

ن 23/2

18:50-19:25

1 stop16h 35m

Shannon

ن 2/3

20:05-18:20

2 stops54h 15m

€348

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

ن 2/2

08:04-11:30

2 stops19h 26m

Shannon

ث 17/2

07:50-16:55

1 stop17h 05m

€349

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

ن 23/2

06:44-11:30

2 stops20h 46m

Shannon

ن 2/3

17:30-18:20

2 stops56h 50m

€350

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

ن 2/2

18:50-16:45

1 stop13h 55m

Shannon

ر 11/2

17:30-19:29

2 stops33h 59m

€352

SeattleShannon

SEA - SNN

SEASNN

Seattle/Tacoma Intl

ن 2/2

14:10-16:45

2 stops18h 35m

Shannon

ث 17/2

07:50-23:04

2 stops23h 14m

€357

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

ث 27/1

14:35-10:15

1 stop11h 40m

Dublin

ن 2/2

11:30-17:00

1 stop13h 30m

€383

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

ث 24/2

14:35-10:15

1 stop11h 40m

Dublin

ث 3/3

11:30-17:00

1 stop13h 30m

€384

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

ث 17/3

15:35-10:15

1 stop11h 40m

Dublin

ث 14/4

14:15-20:40

1 stop14h 25m

€387

SeattleDublin

SEA - DUB

SEADUB

Seattle/Tacoma Intl

ن 11/5

05:40-08:15

2 stops18h 35m

Dublin

ث 26/5

09:20-18:30

2 stops17h 10m

€398

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Seattle to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from Seattle averaging around €473.

What is the cheapest Seattle/Tacoma Intl to Ireland flight route?

Fly from Seattle/Tacoma Intl to Dublin for the best Seattle/Tacoma Intl - Ireland flight prices

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €554 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Seattle for as low as €502 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Ireland flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Ireland flights?

You could potentially save up to 2% on your flight if you consider stops on a Seattle to Ireland flight.

Cheap Seattle to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Ireland

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Ireland

77 airports
The fastest flight from Seattle to Ireland takes 9h 05m
Direct flights go from Seattle to Ireland every day.
There are 77 airports in Ireland. From Seattle there are direct flights to Dublin (DUB).
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ireland?

    Prices for flights from Seattle/Tacoma Intl Airport to Ireland are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Ireland?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Ireland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Ireland for you.

Can I find flights from Seattle to Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ireland from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Ireland?

momondo helps you find the best flight between Seattle and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €40
Flights to Corkfrom €88
Flights to Shannon, Clarefrom €95
Flights to Donegalfrom €75
Flights to Milltown (Kerry)from €39